📐 Part 1: Classifying Angles

a) An angle measuring 45°

b) An angle measuring 120°

c) An angle measuring 270°

a) Angles less than 90° are called _____________ angles.

b) An angle that measures exactly 90° is a _____________ angle.

c) Angles between 90° and 180° are _____________ angles.

d) An angle measuring exactly 180° is a _____________ angle.

e) Angles greater than 180° are called _____________ angles.

📏 Part 2: Measuring Angles with a Protractor

Angle A = _______° Classification: _______________

Angle B = _______° Classification: _______________

Angle C = _______° Classification: _______________

a) Draw a 65° angle

b) Draw a 135° angle

🔄 Part 3: Angle Relationships

a) Angles at a point sum to _______°

b) Angles on a straight line sum to _______°

c) The sum of interior angles in a triangle is _______°

d) The sum of interior angles in a quadrilateral is _______°

e) Vertically opposite angles are _____________

a) In a triangle, two angles measure 40° and 85°. What is the third angle?

Third angle = _______°

b) Angles on a straight line measure 110° and x°. Find x.

x = _______°

c) Three angles at a point measure 95°, 140°, and y°. Find y.

y = _______°

🎨 Part 4: Geometric Design Challenge

Draw your design below and label the different types of angles:

🧠 Part 5: Problem Solving

Acute angles: ________________________________

Right angles: ________________________________

Obtuse angles: ______________________________

Straight angles: _____________________________

The fourth angle measures _______° and is a _____________ angle.